6-32
NMGS
PMC PROCEDURE (continued)
8.
Go to step 6.19.2.5.
6.19.1.4
Cleaning procedure for assemblies with many small vent
ports.
1.
Remove the scavenger mounting screws.
2.
Remove the scavenger flow control needle valve
assembly. Inspect the needle valve and seat for lint or
dust accumulation. Clean with compressed air if
necessary.
3.
Remove the hardware securing the flowmeter. Remove
the brass retainer at the bottom of the assembly.
Inspect the for lint or dust accumulation. Clean with
compressed air if necessary.
4.
Unthread the reservoir canister from the body.
5.
Remove the hardware securing the tube assembly to
the block. Inspect for lint or dust accumulation. Clean
with compressed air if necessary and replace O-rings if
necessary.
6.
Probe all gas passages of the block to ensure there are
no occlusions. Clean with compressed air if necessary.
6.19.1.5
Reassemble the scavenger assembly, attach the scavenger
hose and reactivate the vacuum source.
6.19.2
OPEN RESERVOIR PRESSURE TESTING
6.19.2.1
Activate the Scavenger vacuum supply.
6.19.2.2
Turn the scavenger needle valve fully clockwise (closed).
6.19.2.3
Uncap the hose barb adapter at the rear of the scavenger
and connect a test pressure monitor to the hose barb on the
adapter using a PDM/Suction Adapter (P/N 4115038). If the
scavenger does not contain a hose barb adapter install a
scavenger adapter (P/N 4108114) between the 19-mm hose
terminal on the scavenger and the scavenger hose.
6.19.2.4
Interconnect the inspiratory and expiratory valves or
expiratory port on the ultrasonic flow sensor, if applicable
with a 22-mm hose.
6.19.2.5
Attach a Breathing System Leak Test Device (P/N S010159)
to the bag mount.
6.19.2.6
Set the AUTO/BAG valve to the BAG position.
6.19.2.7
Open the APL valve.
6.19.2.8
Set the Oxygen flow on the anesthesia machine to 8 l/min.
6.19.2.9
The test pressure gauge shall indicate a pressure of less
than 1.0 cm H
2
O.
6.19.2.10
Close all flow control valves on the anesthesia machine.
6.19.2.11
Adjust the scavenger needle valve until the flowmeter
indicates between the white lines.
Summary of Contents for Narkomed GS
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